CN105588193B - A kind of air conditioner indoor unit - Google Patents
A kind of air conditioner indoor unit Download PDFInfo
- Publication number
- CN105588193B CN105588193B CN201510312233.XA CN201510312233A CN105588193B CN 105588193 B CN105588193 B CN 105588193B CN 201510312233 A CN201510312233 A CN 201510312233A CN 105588193 B CN105588193 B CN 105588193B
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- China
- Prior art keywords
- fan outlet
- deflector
- air
- flow deflector
- heat exchanger
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Abstract
The invention discloses a kind of air conditioner indoor unit, are related to air-conditioning technical field, for solve the problems, such as in the prior art caused by fin sound air conditioner indoor unit run noise it is big due to invent.Air conditioner indoor unit of the present invention, including shell, the shell is equipped with air-conditioner air outlet, wind turbine is equipped in the shell, the wind turbine includes fan outlet, the fan outlet is arranged towards the air-conditioner air outlet, and heat exchanger is equipped between the fan outlet and the air-conditioner air outlet, the heat exchanger is towards forming acute angle region between the surface of the fan outlet and the upper cover plate of the shell, guiding subassembly is equipped at the fan outlet, the guiding subassembly can prevent to enter the acute angle region by the wind that the fan outlet is blown out.Air conditioner indoor unit of the present invention is used for air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of air conditioner indoor unit.
Background technology
The buried indoor unit in air-conditioning day is to answer the variation of the multifarious demand in market and whole fitting space and grow up,
It is smaller due to installing and repairing width, and using more and more in average family.As living standard improves, user not only sees
The regulating power of weight air-conditioning, also has noise in the air-conditioning in higher requirement, especially bedroom, does not allow abnormal sound occur.
However, the air conditioner indoor unit of the prior art, since heat exchanger and upper cover plate have acute angle in return side, from
The wind of wind turbine blowout easily forms vortex in angle, and to generate fin sound, noise when air conditioner indoor unit being caused to run is larger,
Inconvenience is brought to user's use.
Invention content
The embodiment of the present invention provides a kind of air conditioner indoor unit, can solve the air conditioning chamber caused by fin sound in the prior art
The big problem of interior machine operation noise.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
A kind of air conditioner indoor unit, including shell, the shell are equipped with air-conditioner air outlet, wind turbine are equipped in the shell,
The wind turbine includes fan outlet, and the fan outlet is arranged towards the air-conditioner air outlet, and the fan outlet
It is equipped with heat exchanger between the air-conditioner air outlet, the heat exchanger is towards the surface of the fan outlet and the shell
Form acute angle region between upper cover plate, be equipped with guiding subassembly at the fan outlet, the guiding subassembly can prevent by
The wind of the fan outlet blowout enters the acute angle region.
Air conditioner indoor unit provided in an embodiment of the present invention, is arranged guiding subassembly at fan outlet, and guiding subassembly can hinder
The acute angle region is only entered by the wind that the fan outlet is blown out.Guiding subassembly changes wind turbine outlet air side as a result,
To avoiding wind turbine outlet air blow-through acute angle region, and then reduce the generation of vortex, eliminate fin sound so that air-conditioning
Indoor unit runs lower noise.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the overall structure diagram of air conditioner indoor unit of the embodiment of the present invention；
Fig. 2 is the guiding subassembly of air conditioner indoor unit of the embodiment of the present invention only with the structural schematic diagram of deflector；
Fig. 3 is the design of part figure of component upper volute in Fig. 2；
Fig. 4 is the A-A sectional views of Fig. 3；
Fig. 5 is that the guiding subassembly of air conditioner indoor unit of the embodiment of the present invention uses the structural schematic diagram of deflector and flow deflector；
Fig. 6 is the design of part figure of upper volute when guiding subassembly uses the first flow deflector；
Fig. 7 is the B-B sectional views of Fig. 6；
Fig. 8 is the design of part figure of upper volute when guiding subassembly uses the second flow deflector and third flow deflector；
Fig. 9 is the C-C sectional views of Fig. 8；
Figure 10 is the portions the D enlarged drawing of Fig. 9；
Figure 11 is the sound spectrum performance diagram of air conditioner indoor unit when not adding guiding subassembly；
Figure 12 is the sound spectrum performance diagram of air conditioner indoor unit after increasing guiding subassembly.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "center", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Fig. 1 is a specific embodiment of air conditioner indoor unit in the embodiment of the present invention, the air conditioner indoor unit in the present embodiment,
Including shell 1, the shell 1 is equipped with air-conditioner air outlet 11, and wind turbine 2 is equipped in the shell 1, and the wind turbine 2 includes wind turbine
Air outlet 21, the fan outlet 21 are arranged towards the air-conditioner air outlet 11, and the fan outlet 21 and the sky
It recalls and is equipped with heat exchanger 3 between air port 11, the heat exchanger 3 is upper towards the surface of the fan outlet 21 and the shell
Acute angle region is formed between cover board 12, is equipped with guiding subassembly 4 at the fan outlet 21, the guiding subassembly 4 can hinder
The acute angle region is only entered by the wind that the fan outlet 21 is blown out.
Guiding subassembly 4, guiding subassembly 4 is arranged in air conditioner indoor unit provided in an embodiment of the present invention at fan outlet 21
It can prevent to enter the acute angle region by the wind that the fan outlet 21 is blown out.It is the stream of wind shown in arrow in Fig. 1
To guiding subassembly 4 changes wind turbine air-out direction as a result, avoids wind turbine outlet air blow-through acute angle region, and then reduce
The generation of vortex eliminates fin sound so that air conditioner indoor unit runs lower noise.
It should be noted that attached drawing of the present invention is only illustrated by taking centrifugal blower as an example, but protection scope of the present invention is simultaneously
Not limited to this, in an embodiment of the present invention, wind turbine 2 can be centrifugal blower, or axial flow blower.Such as Fig. 2, Fig. 5
Shown, the casing of centrifugal blower includes upper volute 22 and lower spiral case 23, and centrifugation wind is formed after upper volute 22 and the splicing of lower spiral case 23
The casing of machine.
In an embodiment of the present invention, the realization method of guiding subassembly 4 can be with as shown in Fig. 2, the guiding subassembly 4
Including deflector 41, the deflector 41 from being extended to the heat exchanger 3 at the upper edge of the fan outlet 21, and
The deflector 41 is bent close to one end of the heat exchanger 3 to the direction far from the upper cover plate 12.In said structure, by
It is bent to the direction far from the upper cover plate 12 close to one end of the heat exchanger 3 in deflector 41, therefore deflector 41 can incite somebody to action
Direction guiding of the wind direction that fan outlet 21 is blown out far from upper cover plate 12 so that the wind that fan outlet 21 is blown out can not blow-through
The acute angle region formed between heat exchanger 3 and upper cover plate 12 eliminates fin sound, makes so as to reduce the generation of vortex
It obtains air conditioner indoor unit and runs lower noise.
Wherein, the set-up mode of deflector 41 can there are many schemes, for example, can be by deflector 41 and fan outlet
21 upper edges are welded, can also be by the way of as shown in Figure 3, i.e., when making Blower Housing, by 21 top of fan outlet
The Blower Housing on edge is directly integrally formed with deflector 41 and makes.Since integrated molding manufacture craft is simple and manufacturing cost is low,
Therefore it is preferably made of integrated molding.
In addition, since fixation of the fan outlet 21 in shell 1 is realized by wind turbine support plate 13, can lead to
The structure of wind turbine support plate is crossed to realize the setting of deflector 41.Specifically, wind turbine support plate is fixed with inside shell 1, institute
It states and offers mounting hole in wind turbine support plate, the fan outlet 21 is arranged in setting in the mounting hole, at this point, can will lead
Flowing plate 41 and the upper edge welding or integrated molding of the mounting hole make.Wherein, by the upper edge of deflector 41 and mounting hole
It is integrally formed and makes and can be realized by the following method：The mounting hole in wind turbine support plate is made first, it, will at fabrication and installation hole
Correspond to the position trepanning of mounting hole in wind turbine support plate, when trepanning, which can only cut, corresponds to three of mounting hole in wind turbine support plate
Side, and the upper edge for retaining mounting hole is not cut off, and is folded upward at the plank in mounting hole along the upper edge of mounting hole after cutting,
And by the plank outer end downward bending after bending, to form the structure of wind deflector.Due to be integrally formed manufacture craft it is simple and
Manufacturing cost is low, therefore is preferably integrally formed the upper edge of deflector 41 and mounting hole and makes.
In order to enable the guide effect of deflector 41 is more preferably, the design ruler of deflector 41, which is deposited, should meet certain range and want
It asks, for example, oversized or end the bending angle of deflector 41, which crosses conference, influences the air output of air-conditioning, and deflector 41
Undersized or end bending angle is too small and can influence the guide effect of deflector 41.Preferably, as shown in figure 4, can incite somebody to action
Deflector 41 is set as 30~80 ㎜ from the length L extended to the heat exchanger 3 at the upper edge of the fan outlet 21, leads
The angle, θ that flowing plate 41 is bent close to one end of the heat exchanger 3 to the direction far from the upper cover plate 12 is set as 0 °~90 °,
The height H of bending is set as 5~20 ㎜.In above-mentioned size range, the guide effect of deflector 41 may make more preferably, it both can be with
The generation of vortex is reduced, eliminates fin sound, and do not interfere with air conditioning exhausting amount.
The spectral characteristic test experiments of sound are carried out with the structure of above-described embodiment, wherein select L for 60 ㎜, θ is 90 °,
H is 10 ㎜, and test result is as shown in figure 12, and Figure 11 is the spectral characteristic figure of sound when not adding guiding subassembly 4；Figure 12 is plus leads
The spectral characteristic figure of sound after stream component 4.The longitudinal axis indicates SPL (sound pressure level, sound pressure level) in figure, and unit is
Decibel (dB)；Horizontal axis indicates that sound frequency, unit are hertz (Hz).Since the sound property of fin sound is wideband, frequency exists
Near 2KHz, thus by Figure 11 and Figure 12 comparisons as can be seen that plus after deflector 41 sound near 2kHz acoustic pressure by
60dB drops to 50dB, and fin sound is obviously improved.
Wherein, deflector 41 is bent close to one end of the heat exchanger 3 to the direction far from the upper cover plate 12, bending
The shape at end can be plane or cambered surface, it is preferable that the shape at the bending end of deflector 41 is cambered surface and cambered surface and deflector 41
Ontology is seamlessly transitted by fillet, and this prevents the winds of wind turbine blowout at the bending end of deflector 41 and deflector 41
Noise is generated when the junction of body.
When the shape at bending end is cambered surface, cambered surface is preferably upward, upward compared with the cambered surface to lower process
Cambered surface have better guide effect, the generation of vortex can be further reduced.
In order to make the wind of fan outlet 21 that can uniformly flow into 3 surface of heat exchanger, therefore generally in fan outlet 21
Installation current divider is also needed between heat exchanger 3, and due to the presence of deflector 41, the installation space of current divider can be made tight
, therefore, in another embodiment of the invention, as shown in figure 5, deflector 41 can be only by the fan outlet 21
It is extended to the heat exchanger 3 in the middle part of upper edge, thus can reduce the volume of deflector 41, be accounted for reduce deflector 41
Space between fan outlet 21 and heat exchanger 3, and at this time in order to realize the wind-guiding of 41 uncovered area of deflector, it can
Flow deflector 42 is respectively set with the inner surface in 21 two side of fan outlet, flow deflector 42 is close to one end of the heat exchanger 3
It is obliquely installed to the direction far from 21 roof of the fan outlet, deflector 41 can not be covered by flow deflector 42 as a result,
The outlet air in region is oriented to, and the acute angle region formed between this part outlet air blow-through heat exchanger 3 and upper cover plate 12 is prevented.
This structure saves the space between fan outlet 21 and heat exchanger 3 while eliminating fin sound, to facilitate point
Flow the installation of device.
In the above-described embodiments, the plan of establishment of flow deflector 42 has following two：
Scheme one：As shown in Figure 6, Figure 7, the flow deflector 42 includes the first flow deflector 421, the fan outlet 21
211 inner surface of two side is respectively equipped with first flow deflector 421, first flow deflector 421 and the wind turbine outlet air
The angle theta of the roof 212 of mouth 211It is 8~13 °, the length L of first flow deflector 4211For 30~50 ㎜, first water conservancy diversion
Piece 421 is close to one end of the heat exchanger 3 to the distance H of 21 roof of the fan outlet1For 5~15 ㎜.This structure is led
Flow respectively set in the two side inner surface of fan outlet 21 it is a piece of, preferably be symmetrical arranged, the first flow deflector of the present embodiment 421
Length is longer, therefore, it can be achieved that good wind effect.
Scheme two：As shown in Fig. 8, Fig. 9, Figure 10, the flow deflector 42 includes spaced second flow deflector 422 and the
Three flow deflectors 423, are all provided with that there are one second flow deflectors 422 on 211 inner surface of each side wall of the fan outlet 21
With a third flow deflector 423, the angle theta of second flow deflector 422 and the roof 212 of the fan outlet 212
It is 12~18 °, the length L of second flow deflector 4222For 25~35 ㎜, second flow deflector 422 is close to the heat exchanger
Distance H of 3 one end to 21 roof of the fan outlet2For 8~16 ㎜, the third flow deflector 423 goes out with the wind turbine
The angle theta of 21 roof of air port3It is 5~10 °, the length L of the third flow deflector 4233For 5~15 ㎜, the third flow deflector
423 close to one end of the heat exchanger 3 to the distance H of 21 roof of the fan outlet3For 2~6 ㎜.The flow deflector of this structure
Two panels is respectively set in the two side inner surface of fan outlet 21, is preferably symmetrical arranged, and the second flow deflector 422 and third flow deflector
423 length is all shorter, is equivalent on longer first flow deflector of the length in scheme one 421 and has opened up a notch, wind turbine
The outlet air of air outlet 21 can pass through between two flow deflectors, and windage reduces, and compared with scheme one, the flow deflector of scheme two is to air quantity
Influence it is relatively low.
In scheme two, the interval between the second flow deflector 422 and third flow deflector 423 should select properly, lead when second
When the interval of flow 422 and third flow deflector 423 is too big, between two flow deflectors by wind be possible to blow to heat exchanger 3 with
The acute angle region formed between upper cover plate 12, if the interval of the second flow deflector 422 and third flow deflector 423 is too small, from
Between two flow deflectors by air quantity it is too small, do not have reduce windage effect.Therefore, as shown in Figure 10, preferably the second water conservancy diversion
The interval D of piece 422 and third flow deflector 423 along its length1For 5~10 ㎜, along the interval D of short transverse2For 2~3 ㎜.By
This, you can with ensure between two flow deflectors by wind will not blow to the acute angle that is formed between heat exchanger 3 and upper cover plate 12 and press from both sides
Angular zone, and can play the role of reducing windage.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of air conditioner indoor unit, including shell, the shell is equipped with air-conditioner air outlet, and wind turbine, institute are equipped in the shell
It includes fan outlet to state wind turbine, and the fan outlet is arranged towards the air-conditioner air outlet, and the fan outlet with
Between the air-conditioner air outlet be equipped with heat exchanger, which is characterized in that the heat exchanger towards the surface of the fan outlet with
Acute angle region is formed between the upper cover plate of the shell, and guiding subassembly, the diversion group are equipped at the fan outlet
Part can prevent to enter the acute angle region by the wind that the fan outlet is blown out,
The guiding subassembly includes deflector, and the deflector to the heat exchanger from prolonging at the upper edge of the fan outlet
Setting is stretched, and the deflector is bent close to one end of the heat exchanger to the direction far from the upper cover plate,
The deflector is extended from the upper edge of fan outlet middle part to the heat exchanger, and the guiding subassembly is also
Flow deflector including being set to fan outlet two side inner surface, the flow deflector close to one end of the heat exchanger to
Direction far from the fan outlet roof is obliquely installed.
2. air conditioner indoor unit according to claim 1, which is characterized in that the deflector and the fan outlet top
Along integrated molding.
3. air conditioner indoor unit according to claim 1, which is characterized in that the enclosure interior is equipped with wind turbine support plate, institute
State and offer mounting hole in wind turbine support plate, the fan outlet is arranged in the mounting hole, the deflector with it is described
The upper edge of mounting hole is integrally formed.
4. air conditioner indoor unit according to claim 1, which is characterized in that the deflector is upper by the fan outlet
The length that edge extends to the heat exchanger is 30~80 ㎜.
5. air conditioner indoor unit according to claim 1, which is characterized in that the deflector is close to one end of the heat exchanger
The angle bent to the direction far from the upper cover plate is 0 °~90 °, and the height of bending is 5~20 ㎜.
6. air conditioner indoor unit according to claim 1, which is characterized in that the flow deflector includes the first flow deflector, described
The two side inner surface of fan outlet is respectively equipped with first flow deflector, and first flow deflector goes out with the wind turbine
The angle of air port roof is 8~13 °, and the length of first flow deflector is 30~50 ㎜, and first flow deflector is close to described
The distance of one end of heat exchanger to the fan outlet roof is 5~15 ㎜.
7. air conditioner indoor unit according to claim 1, which is characterized in that the flow deflector includes spaced second leading
Flow and third flow deflector, are all provided with that there are one second flow deflector and one in each side wall inner surfaces of the fan outlet
The angle of a third flow deflector, second flow deflector and the fan outlet roof is 12~18 °, and described second leads
The length of flow is 25~35 ㎜, and second flow deflector is close to one end of the heat exchanger to the fan outlet roof
Distance is 8~16 ㎜, and the angle of the third flow deflector and the fan outlet roof is 5~10 °, the third flow deflector
Length be 5~15 ㎜, the third flow deflector is close to one end of the heat exchanger to the distance of the fan outlet roof
For 2~6 ㎜.
8. air conditioner indoor unit according to any one of claims 1 to 7, which is characterized in that the wind turbine is centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312233.XA CN105588193B (en) | 2015-06-09 | 2015-06-09 | A kind of air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312233.XA CN105588193B (en) | 2015-06-09 | 2015-06-09 | A kind of air conditioner indoor unit |
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| Publication Number | Publication Date |
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| CN105588193A CN105588193A (en) | 2016-05-18 |
| CN105588193B true CN105588193B (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510312233.XA Active CN105588193B (en) | 2015-06-09 | 2015-06-09 | A kind of air conditioner indoor unit |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869769B (en) * | 2016-09-23 | 2019-07-02 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit |
| CN107477684A (en) * | 2017-09-01 | 2017-12-15 | 广东美的暖通设备有限公司 | Air-cooled ducted air conditioner |
| CN108895644A (en) * | 2018-07-23 | 2018-11-27 | 珠海格力电器股份有限公司 | A kind of heat exchanger de-noising structure, air heat exchanger and electrical equipment |
| CN109539526B (en) * | 2018-11-19 | 2023-09-08 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN109405361A (en) * | 2018-11-29 | 2019-03-01 | 上海加冷松芝汽车空调股份有限公司 | A kind of coach air conditioner condenser and the car with it |
| CN110296523B (en) * | 2019-07-01 | 2022-04-19 | 珠海格力电器股份有限公司 | Spoiler for improving fixing reliability and air conditioning unit using same |
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| CN2427764Y (en) * | 2000-05-29 | 2001-04-25 | 安徽天大(集团)股份有限公司工程塑料厂 | Window type air conditioner with increasing air flow and reduced noise |
| JP2010096375A (en) * | 2008-10-15 | 2010-04-30 | Mitsubishi Electric Corp | Air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105588193A (en) | 2016-05-18 |
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